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CN102665510A - Flushable moist wipe or hygiene tissue - Google Patents

Flushable moist wipe or hygiene tissue Download PDF

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Publication number
CN102665510A
CN102665510A CN2009801619590A CN200980161959A CN102665510A CN 102665510 A CN102665510 A CN 102665510A CN 2009801619590 A CN2009801619590 A CN 2009801619590A CN 200980161959 A CN200980161959 A CN 200980161959A CN 102665510 A CN102665510 A CN 102665510A
Authority
CN
China
Prior art keywords
wet
sanitary paper
paper
fiber
wet wipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2009801619590A
Other languages
Chinese (zh)
Other versions
CN102665510B (en
Inventor
M·斯特兰德奎斯特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Essity Hygiene and Health AB
Original Assignee
SCA Hygiene Products AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SCA Hygiene Products AB filed Critical SCA Hygiene Products AB
Publication of CN102665510A publication Critical patent/CN102665510A/en
Application granted granted Critical
Publication of CN102665510B publication Critical patent/CN102665510B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/26—Wood pulp
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K2010/3266—Wet wipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2484—Coating or impregnation is water absorbency-increasing or hydrophilicity-increasing or hydrophilicity-imparting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/66—Additional nonwoven fabric is a spun-bonded fabric
    • Y10T442/663—Hydroentangled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/689—Hydroentangled nonwoven fabric

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Sanitary Thin Papers (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Body Washing Hand Wipes And Brushes (AREA)

Abstract

A flushable moist wipe or hygiene tissue comprising a hydraulically entangled nonwoven material impregnated with a wetting composition. The nonwoven material contains at least 70%, by fibre weight, pulp fibres and the rest manmade fibres and/or natural fibres with a length of at least 6 mm. The moist wipe or hygiene tissue has a length in the machine direction which exceeds the width in the cross-machine direction with at least 25%. The moist wipe or hygiene tissue has a wet strength in machine direction which is at least 3 times higher than the wet strength in cross-machine direction, wherein the wet strength in cross-machine direction is between 50 and 200 N/m.

Description

Wet wipe that can wash away or sanitary paper
Technical field
The present invention relates to wet wipe (moist wipe) or sanitary paper (hygiene tissue), it comprises the Hydroentangled non-woven material with the Wetting composition dipping.Especially relate to wet toilet paper and other cleaning piece (wipe) or sanitary paper, purpose is in sewer pipe, to wash away.
Background technology
Preparatory wetting cleaning piece or sanitary paper are generally used for cleaning the different parts of human body.The instance of application-specific is Baby Care, wipe hand, feminine care and be used as toilet paper or with toilet paper.
Owing to when preparatory wetting cleaning piece is made, play and often will pass by long time when using with onlying, so preparatory during this period wetting cleaning piece must have enough structural intergrities, to keep the wiping function of its expection.Add wet strength agent to cleaning piece this type wet integrity can be provided.Yet especially as toilet paper the time, strong request cleaning piece or toilet paper can wash away in sewer pipe, can not cause the problem of blocking pipe and filter screen.Can be not cracked when having cleaning piece or the thin paper of high wet strength very in traditional family's closet system, to wash away or split into little fiber block, this may cause the obstruction of drainage system.
For example, knew in the past and used the adhesive that contains water-soluble component, as the binding agent in the dispersible non-woven material of water according to U.S. Pat 3,554,788.It is said that this material has good dry strength, but be easy to be dispersed in the water, and can wash away.This non-woven material is packed under drying condition, its retainable enough structural intergrities can be not longer than wet wipe required time.
The wet wipe that Hydroentangled three-layer sandwich structure is made is known through U.S. Pat 6,110,848, and said sandwich structure comprises the intermediate layer of the skin and the cellulose fibre of synthetic fibers.
The most of wetting preparatory wetting toilet paper that washes away in the market is can wash away because its size is little.They can move along draining and sewage pipe, but can not disperse easily, therefore may cause the problem of blocking pipe and filter screen.
US 2004/0112783 discloses cotton paper (tissue paper) and the film box for this reason done, and wherein cotton paper has the hot strength of regulation in the vertical and horizontal direction, thereby prevents to be torn when it from taking out from case.Under the condition of drying, longitudinal tensile strength is higher than 2.5～3.5 times of transverse tensile strengths.
JP-A-2006181764 discloses the degradable cleaning piece of the water with sandwich construction that uses the hydration paper to form.The degradable cleaning piece of this water is with the aqueous detergent dipping of the metal ion of alkali metal containing ion.It is 1.0～3.5 with the ratio of horizontal wet strength longitudinally, and horizontal wet strength is lower than 0.5N/25mm.
Summary of the invention
The purpose of this invention is to provide and be used for the wet wipe or the sanitary paper that can in sewer pipe, wash away.The solution of the object of the invention is through the following fact: wet wipe or sanitary paper; It comprises the Hydroentangled non-woven material with wetting composition dipping; Said non-woven material contains in the length of the paper pulp fiber of fibre weight 70% and surplus be staple fibre and/or the natural fiber of 6mm at least at least; And said wet wipe or sanitary paper have longitudinal length and transverse width; Wherein the length greater than width at least 25%, and vertical wet strength of wherein said wet wipe or sanitary paper is higher than 3 times of horizontal wet strengths at least, and wherein laterally wet strength is 50～200N/m.
Vertically wet strength can be higher than at least 4 times of horizontal wet strengths, and preferably at least 5 times.
Vertically wet strength can be higher than 10 times at the most of horizontal wet strengths.
The fibre length of said staple fibre or natural fiber can reach 15mm.
Wet wipe or sanitary paper calculate with dry weight can contain the wet strength agent that is no more than 0.1 weight %.
Wet wipe or sanitary paper length longitudinally can surpass horizontal width at least 50%.
Wet wipe or sanitary paper can be the toilet papers that wets.
Quantitative (the basis weight) of wet wipe or sanitary paper can be 40～100g/m 2
The horizontal wet strength of wet wipe or sanitary paper can be 60～160N/m.
Wet wipe or sanitary paper can contain at least 5% length staple fibre and/or the natural fiber of 6mm at least in fibre weight.
The specific embodiment
Comprise Hydroentangled non-woven material according to wetting in advance cleaning piece of the present invention or sanitary paper with the Wetting composition dipping.Wetting composition can contain the water and other composition that depends on application purpose of main ratio.The Wetting composition that is used for wet wipe and sanitary paper is in the art for known.
Hydroentanglement processes or water acupuncture manipulation are the technology of the formation nonwoven web introduced during the 1970's, for example referring to CA 841938.This method relates to the formation fleece, can be dry-laying or wet-laying, is becoming net back fiber under high pressure to tangle through very thin jet water stream.The fleece that the porous of a few draining jet flow guiding activity supports or perforated drums supports.Fiber tangles each other in the method, for fleece provides enough bonding strengths, need not to use Chemical Felter.The dry then fleece that tangles.The fiber that is used for said material can be a natural fiber, especially cellulose family paper pulp fiber, short fiber (staple fiber), and the mixture of paper pulp fiber and short fiber.Water thorn material can be with rational cost high quality of production, and they have very high water absorbing capacity.
Be used for counting at least 70% paper pulp fiber with fibre weight, and all the other are staple fibre and/or the natural fiber of 6mm at least for length according to the fiber of wet wipe of the present invention or sanitary paper.Preferred wet wipe or sanitary paper contain at least 5% length and are staple fibre and/or the natural fiber of 6mm at least in fibre weight.Staple fibre can synthesize, for example polyester, polyamide, polyethylene, polypropylene, polyactide with and copolymer, or the short fiber of regenerated cellulose is like viscose, artificial silk, lyocell (lyocell) fiber etc.Fibre length is that the natural fiber of 6mm can be cotton fiber, sisal hemp, hemp, ramie and flax etc. at least.
The paper pulp that cellulosic pulp fibers can be selected from any kind with and blend.Preferably the characteristics of paper pulp are the cellulose fibre of All Pure Nature, and can comprise wood fibre and cotton.Preferred paper pulp fiber is the cork paper making pulp, though also can use bardwood pulp and non-wood pulp, like hemp and sisal hemp.The length of paper pulp fiber can change, from the bardwood pulp that is lower than 1mm and recycled pulps to softwood pulp up to some type of 6mm.The preferred paper pulp fiber that uses is because they are inexpensive, ready-made and absorbability arranged.
Be on duty mutually yet short paper pulp fiber twines mutually with the ability of tangling during Hydroentangled, therefore usually will with longer fiber mixing, the Hydroentangled net of sufficient intensity is arranged with generation.These average fiber length are that the longer fiber of 6mm can be aforesaid staple fibre and/or natural fiber at least.Preferably said more long stapled fibre length is no more than 15mm.The fineness of longer fiber can change between 0.3dtex～6dtex.
With fiber mixing and form fleece.Fleece can dry-laying or wet-laying.In the wet-laying method with fiber dispersion in liquid, be generally water, its method is similar in the papermaking process, the fiber dispersion of dilution is deposited on the perforated support member, this dehydration to form continuous Web materials.Fiber dispersion can be diluted to any denseness that typically is used for traditional papermaking process.The foam forming method is the change example of wet-laying method, surfactant is added in the fiber dispersion of foaming, and the fiber dispersion of foaming is deposited in the support of porous.Can realize in the foam forming method that very uniform fibers distributes, and can use than traditional wet and become fiber longer in the network method.
The fleece that forms stands the Hydroentangled of a few row's nozzles then, and the water under high pressure jet flow rushes at fleece from nozzle, and fleece is by the porous supports support.Fleece is gone up draining at suction box (suction box).Thus, jet water stream is accomplished fibroreticulate Hydroentangled, and promptly fiber twines.Pressure in the Hydroentangled nozzle can suitably be regulated, to adapt to fibrous material, fibroreticulate gram number etc.Water from Hydroentangled nozzle is removed through suction box, and is pumped into water purification plant, loops back waterpower entanglement workshop section then.
For Hydroentangled or as be also referred to as further specifying of water thorn can be referring to for example CA 841938.
Hydroentangledly can occur in one or several step, and can be on the one side or its two sides of net.Said net can transferred between two Hydroentangled steps subsequently in the other porous support.
Make the entanglement material dehydration, and get into drying stage, to roll in finished-product material and to change dry before.Can be through blowing hot-air to fleece, carrying out drying with infrared dryer or other non-simple and easy dry technology.
The net that tangles is transformed into the cleaning piece or the sanitary paper of appropriate size, and wherein cleaning piece or sanitary paper should have the longitudinal length of net and the transverse width of screen cloth, wherein said length greater than width at least 25%.The shape of cleaning piece or sanitary paper can be rectangle or any other optional shape, as long as the relation of length/width as previously discussed.If length and/or width change maximum length and the horizontal Breadth Maximum longitudinally of referring to along cleaning piece or sanitary paper.
The cleaning piece that can wash away or the suitable dimension of sanitary paper are: length 9～25cm and width 7cm～15cm.
The wet strength of cleaning piece or sanitary paper vertically should height than laterally at least 3 times, and preferably at least 4 times, and further preferably at least 5 times.Wet strength can be higher than horizontal 10 times at the most longitudinally.
Laterally wet strength should be 50～200N/m.
Wet strength is used aquametry according to method of testing SS-EN IS012625-5:2005.
Do not comprise Wetting composition, calculate with the dry weight of fibrous material, cleaning piece or sanitary paper quantitatively be preferably 40～100g/m 2
Said wet strength performance makes cleaning piece or sanitary paper be generally used for the direction of wiping, and promptly the length direction of product is strong.This can reduce the risk of breaking between the operating period and poking.Width further relatively a little less than, this direction is in lower stress usually during wiping, and can make the cleaning piece can be broken and disperse in sewer after the use.
Through controlling Hydroentangled technology, pressure in the for example Hydroentangled nozzle and/or the one-tenth net spee through this technology can be realized relatively low transverse strength.Therefore through the pressure and/or the raising process speed of the Hydroentangled nozzle of reduction, the strength character of Hydroentangled net can reduce usually, especially transverse strength.Because fiber orientation and longitudinal strength receive the hydroentanglement processes effect not as transverse strength, longitudinal strength always can be higher.Also know and to form the jet velocity of speed from the fiber dispersion of leading-in box (inlet box) with respect to netting twine (wire) through control, during fleece forms, carry out the fiber orientation of longitudinal direction.
Cleaning piece or sanitary paper can crease, embossing or through other texture processing, to improve the flexibility of product.Usually, handle net and improve the wet strength that flexibility can tend to reduce net.
Cleaning piece or sanitary paper flood with Wetting composition, and said Wetting composition contains the composition that depends on the product application purpose.The main ratio of Wetting composition is generally water.Other composition can comprise cleaning agent, skin conditioner, the bacteriocin that goes out, fungicide, emollient, essence, anticorrisive agent etc., depends on application purpose.
A purposes according to cleaning piece of the present invention or sanitary paper is as wet toilet paper.As an example; Suitable Wetting composition in the wet toilet paper can be water base, and can contain just like following composition: propane diols, phenoxetol, cocoa glucoside (coco-glycoside), gather aminopropyl two guanidines, dehydroactic acid, essence, cocoa aminopropyl betaine, German chamomile (chamomilla recutita), bisabolol, citric acid, amyl cinnamic aldehyde (amylcinnamal), citronellol, jasminolene (hexylcinnamaldehyd) and butyl phenyl methyl propional etc.
Cleaning piece or sanitary paper can not contain or contain very small amount of wet strength agent." on a small quantity " is defined herein as with the dry weight of cleaning piece or sanitary paper and calculates, and wet strength agent is 0.1 weight % at the most.But the wet strength agent of volume can make the erosion variation of cleaning piece, and makes it more be difficult to broken and dispersion in sewer pipe.
Wet wipe or sanitary paper or be packaged in individually and can pack by what the user tore, or be packaged in the aliquot that contains many cleaning pieces or cotton paper, can distribute through the packing opening in the aliquot.
Illustrate through some embodiments that contain test result below the present invention.
Embodiment
The preparation test material is described below.
Fiber dispersion is made up of the mixture of water and paper pulp fiber and artificial staple length fiber.Fleece one side or two-sided Hydroentangled.Hydroentangled total power supply is 160～200kWh/ ton material.
Fleece dewaters through the vacuum draw case then, and dry through the circulation of air dry technology.
Be used to form fibroreticulate fiber and have following composition:
Embodiment 1
24.3 weight % is from the lyocell of Lenzing Fibers, 1.7dtex/15mm;
75.7 the cellulose of weight % (from the bleached sulfate pulp fiber GSM Supersoft Plus of International Paper).The net one side is Hydroentangled.Hydroentangled power supply is the 163kWh/ ton, and net spee is 158m/min.
Embodiment 2
24.3 weight % is with the lyocell among the embodiment 1;
75.7 weight % is with the cellulose among the embodiment 1.
The net one side is Hydroentangled.Hydroentangled power supply is the 179kWh/ ton, and net spee is 156m/min.
Embodiment 3
24.3 weight % is with the lyocell among the embodiment 1;
75.7 weight % is with the cellulose among the embodiment 1.
The net two sides is Hydroentangled.Hydroentangled power supply is the 179kWh/ ton, and net spee is 158m/min.
Embodiment 4
30 weight % are with the lyocell among the embodiment 1;
70 weight % are with the cellulose among the embodiment 1.
The net two sides is Hydroentangled.Hydroentangled power supply is the 200kWh/ ton, and net spee is 158m/min.
Embodiment 5
30 weight % are with the lyocell among the embodiment 1;
70 weight % are with the cellulose among the embodiment 1.
The net one side is Hydroentangled.Hydroentangled power supply is the 170kWh/ ton, and net spee is 158m/min.
Embodiment 6
20 weight % are with the lyocell among the embodiment 1;
5 weight % indicate Create WL, 1.7dtex/6mm from the polypropylene of Fibervisions;
75 weight % are with the cellulose among the embodiment 1.
The net one side is Hydroentangled, and Hydroentangled power supply is the 197kWh/ ton, and net spee is 149m/min.
Embodiment 7
25 weight % are with the lyocell among the embodiment 1;
75 weight % are with the cellulose among the embodiment 1.
The net one side is Hydroentangled.Hydroentangled power supply is the 151kWh/ ton, and net spee is 171m/min.
The relevant evaluation of doing strength character under wet two kinds of conditions provides the result in following table 1:
Table 1
Figure BDA0000153609110000071
Used following method of testing:
Gram number: SS-EN-ISO 12625-6:2005;
Dry strength: SS-EN-ISO 12625-4:2005;
Wet strength: SS-EN IS012625-5:2005 (measuring in the water).

Claims (10)

1. wet wipe that can wash away or sanitary paper; It comprises the Hydroentangled non-woven material with Wetting composition dipping, and in fibre weight, the length that said non-woven material contains at least 70% paper pulp fiber and surplus is staple fibre and/or the natural fiber of 6mm at least; And said wet wipe or sanitary paper have longitudinal length and transverse width; Wherein the length greater than width at least 25%, it is characterized in that
Vertical wet strength of said wet wipe or sanitary paper is higher than at least 3 times of horizontal wet strengths, and wherein laterally wet strength is 50～200N/m.
2. the wet wipe of claim 1 or sanitary paper is characterized in that,
Vertically wet strength is higher than at least 4 times of horizontal wet strengths, and preferably at least 5 times.
3. claim 1 or 2 wet wipe or sanitary paper is characterized in that,
Vertically wet strength is higher than 10 times at the most of horizontal wet strengths.
4. wet wipe of one of claim 1～3 or sanitary paper is characterized in that,
The fibre length of said staple fibre or natural fiber is 15mm at the most.
5. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
It contains the wet strength agent that is no more than 0.1 weight % with dry weight basis..
6. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
Its longitudinal length surpasses transverse width at least 50%.
7. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
It is the toilet paper that wets.
8. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
It quantitatively is 40～100g/m 2
9. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
Its horizontal wet strength is 60～160N/m.
10. wet wipe of one of aforementioned claim or sanitary paper is characterized in that,
It contains in the length of fibre weight 5% be staple fibre and/or the natural fiber of 6mm at least at least.
CN200980161959.0A 2009-10-16 2009-10-16 The wet wipe that can wash away or sanitary paper Expired - Fee Related CN102665510B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2009/051192 WO2011046478A1 (en) 2009-10-16 2009-10-16 Flushable moist wipe or hygiene tissue

Publications (2)

Publication Number Publication Date
CN102665510A true CN102665510A (en) 2012-09-12
CN102665510B CN102665510B (en) 2016-06-01

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CN102665510B (en) 2016-06-01
MX2012004292A (en) 2012-06-12
RU2012120079A (en) 2013-11-27
EP2488684A1 (en) 2012-08-22
RU2519994C2 (en) 2014-06-20
ECSP12011897A (en) 2012-07-31
WO2011046478A1 (en) 2011-04-21
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TN2012000119A1 (en) 2013-09-19
AU2009354046A1 (en) 2012-04-26

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